A File Is Not a File: Understanding the I/O Behavior of Apple Desktop Applications

We analyze the I/O behavior of iBench , a new collection of productivity and multimedia application workloads. Our analysis reveals a number of differences between iBench and typical file-system workload studies, including the complex organization of modern files, the lack of pure sequential access,...

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Veröffentlicht in:	ACM transactions on computer systems 2012-08, Vol.30 (3), p.1-39
Hauptverfasser:	HARTER, Tyler, DRAGGA, Chris, VAUGHN, Michael, ARPACI-DUSSEAU, Andrea C, ARPACI-DUSSEAU, Remzi H
Format:	Artikel
Sprache:	eng
Schlagworte:	Apples Applied sciences Cloud computing Computer science control theory systems Electronics Exact sciences and technology Input output Magnetic and optical mass memories Memory and file management (including protection and security) Memory organisation. Data processing Multimedia computer applications Software Storage and reproduction of information Studies Systems design
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Beschreibung
Zusammenfassung:	We analyze the I/O behavior of iBench , a new collection of productivity and multimedia application workloads. Our analysis reveals a number of differences between iBench and typical file-system workload studies, including the complex organization of modern files, the lack of pure sequential access, the influence of underlying frameworks on I/O patterns, the widespread use of file synchronization and atomic operations, and the prevalence of threads. Our results have strong ramifications for the design of next generation local and cloud-based storage systems.
ISSN:	0734-2071 1557-7333
DOI:	10.1145/2324876.2324878